Search a number
-
+
2308072 = 231322193
BaseRepresentation
bin1000110011011111101000
311100021002011
420303133220
51042324242
6121245304
725422034
oct10633750
94307064
102308072
1113370a8
12933834
1362a730
144411c4
15308d17
hex2337e8

2308072 has 16 divisors (see below), whose sum is σ = 4660740. Its totient is φ = 1065216.

The previous prime is 2308069. The next prime is 2308079. The reversal of 2308072 is 2708032.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2292196 + 15876 = 1514^2 + 126^2 .

It is not an unprimeable number, because it can be changed into a prime (2308079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10993 + ... + 11200.

22308072 is an apocalyptic number.

It is an amenable number.

2308072 is an abundant number, since it is smaller than the sum of its proper divisors (2352668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2308072 is a wasteful number, since it uses less digits than its factorization.

2308072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22212 (or 22208 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2308072 is about 1519.2340175233. The cubic root of 2308072 is about 132.1548534658.

The spelling of 2308072 in words is "two million, three hundred eight thousand, seventy-two".

Divisors: 1 2 4 8 13 26 52 104 22193 44386 88772 177544 288509 577018 1154036 2308072